### Home > CALC > Chapter 1 > Lesson 1.2.4 > Problem 1-70

1-70.

Defintion of an even function: *f*(−*a*) = *f*(*a*).

Since *f*(1) = 2 then, by definition, *f*(−1) = 2 as well.

There are many ways to connect the points, just make sure you maintain symmetry over the *y*-axis.

Can you draw a parabola through all of these points? Give it a try.

Use the eTool below to view the graphs of some possible functions.

Click the link at right for the full version of the eTool: Calc 1-70 HW eTool